{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["city of headquarters", "country of headquarters", "else", "employee of"], "input": "In  1978  he played three games in Portland before being traded to the  Oakland Stompers  ."}
{"city of headquarters": [], "country of headquarters": [], "else": [{"subject": "1978", "object": "Oakland Stompers"}], "employee of": []}